Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Rheostat control Combination of cascade and pole changing Cascade control Pole changing Rheostat control Combination of cascade and pole changing Cascade control Pole changing ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The value of coefficient of adhesion will be high when rails are Cleaned with sand Wet Greased Sprayed with oil Cleaned with sand Wet Greased Sprayed with oil ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For given maximum axle load tractive efforts of AC. locomotive will be None of the listed here Less than that of D.C. locomotive Equal to that of D.C. locomotive More than that of D.C. locomotive None of the listed here Less than that of D.C. locomotive Equal to that of D.C. locomotive More than that of D.C. locomotive ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Power for lighting in passenger coach, in a long distance electric train, is provided Through individual generator of bogie and batteries Through locomotive Through rails Directly through overhead electric line Through individual generator of bogie and batteries Through locomotive Through rails Directly through overhead electric line ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Coefficient of adhesion is Low in case of D.C. traction than in the case of AC. traction All of the listed here High in case of D.C. traction than in the case of AC. traction Equal in both AC. and D.C. traction Low in case of D.C. traction than in the case of AC. traction All of the listed here High in case of D.C. traction than in the case of AC. traction Equal in both AC. and D.C. traction ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Locomotives with monometer bogies have Uneven distribution of tractive effect Low coefficient of adhesion Suitability for passenger as well as freight service Lot of skidding Uneven distribution of tractive effect Low coefficient of adhesion Suitability for passenger as well as freight service Lot of skidding ANSWER DOWNLOAD EXAMIANS APP
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